Quantitative Aptitude - Arithmetic Ability Questions

Q:

What will be the value of that smallest positive integer N, such that 294N is an integer?

 

A) 2 B) 4
C) 6 D) 8
 
Answer & Explanation Answer: C) 6

Explanation:
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0 60010
Q:

Mark the odd man out in the given number series

24.3, 23.1, 20.7, 17.1, 12.4

A) 12.4 B) 17.1
C) 20.7 D) 23.1
 
Answer & Explanation Answer: A) 12.4

Explanation:

The given series 24.3, 23.1, 20.7, 17.1, 12.4 follows a pattern that

24.3

24.3 - 1.2 = 23.1

23.1 - 2.4 = 20.7

20.7 - 3.6 = 17.1

17.1 - 4.8 = 12.3 not 12.4

 

Hence, the odd man or odd number in the given series is 12.4

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4 59892
Q:

In an election only two candidates contested 20% of the voters did not vote and 120 votes were declared as invalid. The winner got 200 votes more than his opponent  thus he secured 41% votes of the total voters on the voter list. Percentage votes of the defeated candidate out of the total votes casted is:

A) 47.5% B) 41%
C) 38% D) 45%
 
Answer & Explanation Answer: D) 45%

Explanation:

Let there be x voters and k votes goes to loser then 

 

      0.8x - 120 = k + (k + 200)

 

         k+200 = 0.41x

 

 => k = 1440

 

and  (k + 200) =1640

 

Therefore  1440/3200 x 100 = 45%

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297 59856
Q:

Evaluate 93 + 32 + 274 + 225

 

A) 9 B) 11
C) 12 D) 10
 
Answer & Explanation Answer: D) 10

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0 59826
Q:

Which of the following statement(s) is/are TRUE?

I. √5 + √5 > √7 + √3
II. √6 + √7 > √8 + √5
III. √3 + √9 > √6 + √6

A) Only I B) Only I and II
C) Only II and III D) Only I and III
 
Answer & Explanation Answer: B) Only I and II

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0 59650
Q:

Simplify : 528 ÷ 2835 ÷ 20112

 

A) 4/5 B) 5/4
C) 4/7 D) 7/4
 
Answer & Explanation Answer: B) 5/4

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1 59620
Q:

Solve the following

 

24 / (20 - 12 / 3 x 8) = ?

A) -2 B) -3
C) 6 D) 3
 
Answer & Explanation Answer: A) -2

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0 59576
Q:

A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?

A) 30 B) 40
C) 50 D) 60
 
Answer & Explanation Answer: A) 30

Explanation:

Let the side of the square(ABCD) be x meters.

 

Then, AB + BC = 2x metres.

 

AC = 2x = (1.41x) m.

 

Saving on 2x metres = (0.59x) m.

 

Saving % =0.59x2x*100 = 30% (approx)

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Filed Under: Area
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96 59400